South American spongeplant
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Alismatales
- family: Hydrocharitaceae
- genus: Limnobium
- species: Limnobium laevigatum
Wemmel
Flanders
Belgium
Rafael Capo- Rafael Gonzalez
Hatillo- Punta Santiago
Humacao- Loíza
Loiza
Puerto Rico
Bergshamra- Djursholm
Stockholm
Sweden
San Casimiro
Aragua
Venezuela